package demo1;

/**
 * @Author: Lenovo
 * @Date: 2024/5/22 19:29
 * @description:
 */
public abstract class Shape {
    public abstract void draw();
    abstract class A extends Shape {
        abstract void test();
    }

    class C extends A {
        @Override
        void test() {

        }

        @Override
        public void draw() {
        }
    }
}
